Add information regardig Raku Programming Language (#180)

And remove references to Perl 6 from the Perl page

Author: lizmat

testing-with-tap/index.md

@@ -11,5 +11,6 @@ How do you do TAP based testing with (insert language of choice here)?
 -    [Testing with Forth](/testing-with-tap/forth.html)
 -    [Testing with PHP](/testing-with-tap/php.html)
 -    [Testing with Perl](/testing-with-tap/perl.html)
+-    [Testing with Raku](/testing-with-tap/raku.html)
 -    [Testing with Ruby](/testing-with-tap/ruby.html)
 -    [Testing with Java](/testing-with-tap/java.html)

testing-with-tap/perl.md

@@ -5,28 +5,15 @@ title: Testing with TAP
 
 # Testing with Perl
 
-## Testing with Perl 5
-
 There are a number of test modules for Perl, ranging from very simple tests through to very complex tests.
 Here are some links to some of them; all of these use the Test Anything Protocol to report their successes or failures:
 
 -    [Test::Simple](https://metacpan.org/pod/Test::Simple)
 -    [Test::More](https://metacpan.org/pod/Test::More)
 -    [Test::Exception](https://metacpan.org/pod/Test::Exception)
 
-### A number of harnesses are available including:
+## A number of harnesses are available including:
 
 -    [TAP::Harness](https://metacpan.org/pod/TAP::Harness)
 
 [TAP::Parser Cookbook](/testing-with-tap/perl/tap-parser-cookbook.html) - Cooking with TAP
-
-## Testing with Perl 6
-
-A set of test files, designed to output TAP, are used to define the specification for Perl 6.
-Only a few modules exist, but Test is a core module for every implementation that produces Test Anything Protocol output.
-
--    [Test](http://design.perl6.org/S24.html)
-
-### Perl 6 Harnesses
-
--    [Test::Harness](https://github.com/tadzik/Test-Harness/) (incomplete)

testing-with-tap/raku.md

@@ -0,0 +1,15 @@
+---
+layout: default
+title: Testing with TAP
+---
+
+# Testing with Raku
+
+A set of test files, designed to output TAP, are used to define the specification for Raku.
+`Test` is a core module for every implementation that produces Test Anything Protocol output.
+
+-    [Test](https://docs.raku.org/type/Test)
+
+### Raku Harnesses
+
+-    [App::Prove6](https://raku.land/cpan:LEONT/App::Prove6)